BASIC RULES:
Eligible Pokémon: Only Pokémon from the Alola Pokédex can be used.
However, certain special Pokémon such as Solgaleo and Lunala may not be used.Pokémon in your current team or registered to your Battle Team: From 4 to 6 Pokémon
(All Pokémon will have their level automatically set to Lv. 50 during battles.)
Eligible Pokémon are restricted to those that you caught, hatched from Eggs, or received as a Mystery Gift in Pokémon Sun or Pokémon Moon.About Battle Times:
- Your Time: Max 10 minutes
- Selection Time: Each Trainer gets 90 seconds to select Pokémon.
- Turn Time: Each Trainer gets 45 seconds to select an action each turn.
POKEMON/MOVES/ITEMS
About the Pokémon that may participate:
- The list of eligible Pokémon will be available soon on the official website
- During battle, all Pokémon will have their level automatically set to Lv. 50. Any eligible Pokémon will still know any moves they have learned, despite their level being changed to Lv. 50.
- You cannot use two or more Pokémon with the same Pokédex number.
- You cannot use any Pokémon except those that can be obtained through regular gameplay (including the Pokémon Global Link and related functions of games released by The Pokémon Company and Nintendo), or that have been awarded as part of a public distribution or special event.

Pokémon that have learned moves in any way other than the following cannot be used:
1) Learned by leveling up
2) Learned by using a TM
3) Learned as an Egg Move
4) Taught by an in-game character
5) Specially learned as part of a public distribution or special event
6) Learned by Smeargle using the move Sketch (note that only moves known by Pokémon that can be obtained through regular gameplay or that have been awarded as a part of a public distribution and that fulfill conditions 1–5 above can be learned using Sketch)

About Items:
- You may give your Pokémon items to hold in this competition. However, no two Pokémon that will participate in the competition can hold the same item.
- You cannot use any items except those that can be obtained through regular gameplay (including the Pokémon Global Link and related functions of games released by The Pokémon Company and Nintendo) or that have been awarded as part of a public distribution or special event.

Note that you cannot use Pokémon holding any of the following items:

Gengarite

Venusaurite

Charizardite X

Blastoisinite

Scizorite

Pinsirite

Aerodactylite

Lucarionite

Kangaskhanite

Gyaradosite

Absolite

Charizardite Y

Alakazite

Garchompite

Sablenite

Metagrossite

Sharpedonite

Slowbronite

Glalitite

Salamencite

About Move Effects:
Moves affected by the environment in which they are used will behave in the following ways:
- Nature Power will become Tri Attack.
- Secret Power will have a 30% chance of afflicting an opposing Pokémon with paralysis.
- Camouflage will change the user's type to Normal.

BATTLE:
About Losses:
- If both Pokémon faint in the same turn as the result of a move
The user loses if the move was: Self-Destruct, Explosion, Destiny Bond, or Final Gambit.
The user wins if the move was: Double-Edge, Volt Tackle, Flare Blitz, Take Down, Submission, Brave Bird, Wood Hammer, Head Smash, Struggle, Wild Charge, Head Charge, or any move while holding a Life Orb.
- If both Pokémon faint in the same turn as the result of the weather or other conditions.
If weather conditions or status conditions cause both Pokémon to faint at the end of the same turn due to damage taken, then whichever Trainer had all of his or her Pokémon faint first will be the loser. (This includes the use of Perish Song.)
- If both Pokémon faint in the same turn due to reflexive damage dealt by an Ability or item.
The Pokémon that dealt damage through Rough Skin, Aftermath, Liquid Ooze, Iron Barbs, Innards Out, or Rocky Helmet will be declared the loser.
About Battle Time
A timer will automatically count down the time left in the game.
A player who runs out of time will lose at the end of the turn. If both players run out of time on the same turn, the game will automatically determine the winner using the following conditions in hierarchical order.

1) Whoever has the most Pokémon remaining wins.
2) If both Trainers have the same number of Pokémon remaining, the Trainer with the highest ratio of total HP remaining / total maximum HP for all Pokémon in his or her party wins.
3) If there is no clear winner from conditions 1 or 2, then the Trainer with the highest total HP remaining wins.

If there is still no clear winner, the battle will be a draw.

About Turn Time:
- The time that is allotted for each turn will be automatically counted down within the game.
- If you run out of time to make your selection, a move will automatically be chosen for you.

About Distribution Regulations:
To download distribution regulations, go to Festival Plaza, select "Battle," and then "Download Rules" in Pokémon Sun or Pokémon Moon.
Up to 12 downloaded regulations can be saved on the SD Card in your system. You can select a regulation to be the rules when you battle with your friend in Festival Plaza or via Quick Link.